TY - GEN AU - Lacey, P I AU - Hsu, S M AU - Gates, R S AU - Lee, S AU - Ives, L AU - Ku, C AU - Pei, P AU - Wang, Y AU - Whitenton, E P AU - Munro, R G C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1990-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.90-4264 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1990 TI - Wear mechanisms of valves and valve seat inserts in a gas-fired reciprocating engine: ER -